Two cyclopeptides,heterophyllin A and B,have been isolated from the rootsof Pseudostellaria heterophylla.Their structures were elucidated by chemical,spectrosco
In the presence of tetrazole,2’-substituted nucleosidesreacted ster■os■ifi■ally with n-BuOPIN■<sub>2</sub>H<sub>5</sub>■<sub>2</sub>I<sub>2</sub> to nucle
A highly sensitive and fairly selective spectrofluorimetric method has been developed for the determination of germanium with morin in tap water and health drin
The electrophoretic mobility of positively charged,cylindrically shaped α-FeO OHparticles dispersed in dilute sodium chloride solutions was measured at 25℃,as